Tayyib Ullah

Tayyib Ullah (1128-1203) was an imam of the Ayyubid Caliphate.

Biography
Tayyib Ullah was born in 1128 to a Sunni Muslim family in Damascus, Syria. He became an imam, and led Islamic religious services at a mosque in Damascus. During the Third Crusade in 1191, he urged the people of Damascus to fight the Crusaders in any way possible. He told them to fight the infidel, led by King Richard, and that it would be a great honor to die for Islam.